Characterization of Hospital-Acquired Infections in a third-level hospital in Medellin, Colombia: January 2005 – June 2009
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Abstract
Objective: the purpose of the following study was to perform an epidemiological characterization of hospital-acquired Infections reported in a third level of complexity university hospital in Colombia, from January 2005- June 2009.
Methods: we conducted an observational and descriptive study. Information regarding the occurrence of Hospital-Acquired Infections was initially obtained from the Hospital’s Epidemiologic Surveillance Committee Databases, additional details of every patient were obtained from their respective clinical records. A descriptive analysis was conducted using measures of central tendency and percentages.
Results: a total of 1 136 hospital-acquired infections occurring in 953 patients were included, for an overall risk of 2.2 infections per 100 hospital discharges. Most patients were female, 63.7%, with a median age of 37 years (IQR 21–60.3) and a median length of hospital stay of 11 (IQR 5–24) days. The most common infections, along with their relative frequencies, were: surgical site infections (25.9%), and urinary tract infections (16.3%). The most commonly isolated microorganisms were: Escherichia coli (27.9%), Staphylococcus aureus (17.9%), and Klebsiella pneumoniae (11.1%). In general, we did not find that the increase in the number of beds was accompanied by an increase in the rate of nosocomial infections.
Conclusion: nosocomial infections are relatively rare in the studied institution, when compared with similar institutions both nationally and internationally.
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References
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